6x+12x=30-3x

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Solution for 6x+12x=30-3x equation: 


Simplifying
6x + 12x = 30 + -3x

Combine like terms: 6x + 12x = 18x
18x = 30 + -3x

Solving
18x = 30 + -3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3x' to each side of the equation.
18x + 3x = 30 + -3x + 3x

Combine like terms: 18x + 3x = 21x
21x = 30 + -3x + 3x

Combine like terms: -3x + 3x = 0
21x = 30 + 0
21x = 30

Divide each side by '21'.
x = 1.428571429

Simplifying
x = 1.428571429

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